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Application filed by Martti Kalervo JaatinenfiledCriticalMartti Kalervo Jaatinen
Priority to FI342270ApriorityCriticalpatent/FI52757C/fi
Publication of FI52757BpublicationCriticalpatent/FI52757B/fi
Application grantedgrantedCritical
Publication of FI52757CpublicationCriticalpatent/FI52757C/fi